root / test / ganeti.utils.io_unittest.py @ 0232b768
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#!/usr/bin/python
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#
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# Copyright (C) 2006, 2007, 2010, 2011 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Script for testing ganeti.utils.io"""
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import os |
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import tempfile |
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import unittest |
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import shutil |
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import glob |
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import time |
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import signal |
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import stat |
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import errno |
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from ganeti import constants |
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from ganeti import utils |
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from ganeti import compat |
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from ganeti import errors |
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import testutils |
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class TestReadFile(testutils.GanetiTestCase): |
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def testReadAll(self): |
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data = utils.ReadFile(self._TestDataFilename("cert1.pem")) |
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self.assertEqual(len(data), 814) |
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h = compat.md5_hash() |
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h.update(data) |
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self.assertEqual(h.hexdigest(), "a491efb3efe56a0535f924d5f8680fd4") |
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def testReadSize(self): |
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data = utils.ReadFile(self._TestDataFilename("cert1.pem"), |
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size=100)
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self.assertEqual(len(data), 100) |
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h = compat.md5_hash() |
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h.update(data) |
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self.assertEqual(h.hexdigest(), "893772354e4e690b9efd073eed433ce7") |
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def testCallback(self): |
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def _Cb(fh): |
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self.assertEqual(fh.tell(), 0) |
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data = utils.ReadFile(self._TestDataFilename("cert1.pem"), preread=_Cb) |
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self.assertEqual(len(data), 814) |
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def testError(self): |
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self.assertRaises(EnvironmentError, utils.ReadFile, |
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"/dev/null/does-not-exist")
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class TestReadOneLineFile(testutils.GanetiTestCase): |
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def setUp(self): |
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testutils.GanetiTestCase.setUp(self)
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def testDefault(self): |
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data = utils.ReadOneLineFile(self._TestDataFilename("cert1.pem")) |
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self.assertEqual(len(data), 27) |
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self.assertEqual(data, "-----BEGIN CERTIFICATE-----") |
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def testNotStrict(self): |
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data = utils.ReadOneLineFile(self._TestDataFilename("cert1.pem"), |
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strict=False)
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self.assertEqual(len(data), 27) |
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self.assertEqual(data, "-----BEGIN CERTIFICATE-----") |
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def testStrictFailure(self): |
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self.assertRaises(errors.GenericError, utils.ReadOneLineFile,
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self._TestDataFilename("cert1.pem"), strict=True) |
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def testLongLine(self): |
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dummydata = (1024 * "Hello World! ") |
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myfile = self._CreateTempFile()
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utils.WriteFile(myfile, data=dummydata) |
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datastrict = utils.ReadOneLineFile(myfile, strict=True)
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datalax = utils.ReadOneLineFile(myfile, strict=False)
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self.assertEqual(dummydata, datastrict)
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self.assertEqual(dummydata, datalax)
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def testNewline(self): |
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myfile = self._CreateTempFile()
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myline = "myline"
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for nl in ["", "\n", "\r\n"]: |
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dummydata = "%s%s" % (myline, nl)
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utils.WriteFile(myfile, data=dummydata) |
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datalax = utils.ReadOneLineFile(myfile, strict=False)
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self.assertEqual(myline, datalax)
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datastrict = utils.ReadOneLineFile(myfile, strict=True)
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self.assertEqual(myline, datastrict)
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def testWhitespaceAndMultipleLines(self): |
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myfile = self._CreateTempFile()
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for nl in ["", "\n", "\r\n"]: |
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for ws in [" ", "\t", "\t\t \t", "\t "]: |
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dummydata = (1024 * ("Foo bar baz %s%s" % (ws, nl))) |
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utils.WriteFile(myfile, data=dummydata) |
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datalax = utils.ReadOneLineFile(myfile, strict=False)
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if nl:
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self.assert_(set("\r\n") & set(dummydata)) |
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self.assertRaises(errors.GenericError, utils.ReadOneLineFile,
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myfile, strict=True)
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explen = len("Foo bar baz ") + len(ws) |
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self.assertEqual(len(datalax), explen) |
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self.assertEqual(datalax, dummydata[:explen])
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self.assertFalse(set("\r\n") & set(datalax)) |
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else:
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datastrict = utils.ReadOneLineFile(myfile, strict=True)
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self.assertEqual(dummydata, datastrict)
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self.assertEqual(dummydata, datalax)
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def testEmptylines(self): |
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myfile = self._CreateTempFile()
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myline = "myline"
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for nl in ["\n", "\r\n"]: |
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for ol in ["", "otherline"]: |
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dummydata = "%s%s%s%s%s%s" % (nl, nl, myline, nl, ol, nl)
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utils.WriteFile(myfile, data=dummydata) |
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self.assert_(set("\r\n") & set(dummydata)) |
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datalax = utils.ReadOneLineFile(myfile, strict=False)
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self.assertEqual(myline, datalax)
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if ol:
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self.assertRaises(errors.GenericError, utils.ReadOneLineFile,
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myfile, strict=True)
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else:
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datastrict = utils.ReadOneLineFile(myfile, strict=True)
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self.assertEqual(myline, datastrict)
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def testEmptyfile(self): |
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myfile = self._CreateTempFile()
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self.assertRaises(errors.GenericError, utils.ReadOneLineFile, myfile)
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class TestTimestampForFilename(unittest.TestCase): |
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def test(self): |
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self.assert_("." not in utils.TimestampForFilename()) |
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self.assert_(":" not in utils.TimestampForFilename()) |
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class TestCreateBackup(testutils.GanetiTestCase): |
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def setUp(self): |
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testutils.GanetiTestCase.setUp(self)
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self.tmpdir = tempfile.mkdtemp()
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def tearDown(self): |
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testutils.GanetiTestCase.tearDown(self)
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shutil.rmtree(self.tmpdir)
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def testEmpty(self): |
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filename = utils.PathJoin(self.tmpdir, "config.data") |
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utils.WriteFile(filename, data="")
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bname = utils.CreateBackup(filename) |
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self.assertFileContent(bname, "") |
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self.assertEqual(len(glob.glob("%s*" % filename)), 2) |
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utils.CreateBackup(filename) |
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self.assertEqual(len(glob.glob("%s*" % filename)), 3) |
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utils.CreateBackup(filename) |
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self.assertEqual(len(glob.glob("%s*" % filename)), 4) |
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fifoname = utils.PathJoin(self.tmpdir, "fifo") |
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os.mkfifo(fifoname) |
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self.assertRaises(errors.ProgrammerError, utils.CreateBackup, fifoname)
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def testContent(self): |
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bkpcount = 0
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for data in ["", "X", "Hello World!\n" * 100, "Binary data\0\x01\x02\n"]: |
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for rep in [1, 2, 10, 127]: |
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testdata = data * rep |
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filename = utils.PathJoin(self.tmpdir, "test.data_") |
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utils.WriteFile(filename, data=testdata) |
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self.assertFileContent(filename, testdata)
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for _ in range(3): |
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bname = utils.CreateBackup(filename) |
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bkpcount += 1
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self.assertFileContent(bname, testdata)
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self.assertEqual(len(glob.glob("%s*" % filename)), 1 + bkpcount) |
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class TestListVisibleFiles(unittest.TestCase): |
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"""Test case for ListVisibleFiles"""
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def setUp(self): |
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self.path = tempfile.mkdtemp()
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def tearDown(self): |
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shutil.rmtree(self.path)
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def _CreateFiles(self, files): |
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for name in files: |
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utils.WriteFile(os.path.join(self.path, name), data="test") |
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def _test(self, files, expected): |
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self._CreateFiles(files)
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found = utils.ListVisibleFiles(self.path)
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self.assertEqual(set(found), set(expected)) |
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def testAllVisible(self): |
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files = ["a", "b", "c"] |
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expected = files |
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self._test(files, expected)
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def testNoneVisible(self): |
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files = [".a", ".b", ".c"] |
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expected = [] |
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self._test(files, expected)
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def testSomeVisible(self): |
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files = ["a", "b", ".c"] |
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expected = ["a", "b"] |
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self._test(files, expected)
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def testNonAbsolutePath(self): |
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self.failUnlessRaises(errors.ProgrammerError, utils.ListVisibleFiles,
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"abc")
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def testNonNormalizedPath(self): |
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self.failUnlessRaises(errors.ProgrammerError, utils.ListVisibleFiles,
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"/bin/../tmp")
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def testMountpoint(self): |
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lvfmp_fn = compat.partial(utils.ListVisibleFiles, |
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_is_mountpoint=lambda _: True) |
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self.assertEqual(lvfmp_fn(self.path), []) |
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# Create "lost+found" as a regular file
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self._CreateFiles(["foo", "bar", ".baz", "lost+found"]) |
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self.assertEqual(set(lvfmp_fn(self.path)), |
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set(["foo", "bar", "lost+found"])) |
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# Replace "lost+found" with a directory
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laf_path = utils.PathJoin(self.path, "lost+found") |
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utils.RemoveFile(laf_path) |
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os.mkdir(laf_path) |
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self.assertEqual(set(lvfmp_fn(self.path)), set(["foo", "bar"])) |
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def testLostAndFoundNoMountpoint(self): |
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files = ["foo", "bar", ".Hello World", "lost+found"] |
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expected = ["foo", "bar", "lost+found"] |
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self._test(files, expected)
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class TestWriteFile(testutils.GanetiTestCase): |
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def setUp(self): |
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testutils.GanetiTestCase.setUp(self)
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self.tmpdir = None |
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self.tfile = tempfile.NamedTemporaryFile()
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self.did_pre = False |
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self.did_post = False |
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self.did_write = False |
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def tearDown(self): |
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testutils.GanetiTestCase.tearDown(self)
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if self.tmpdir: |
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shutil.rmtree(self.tmpdir)
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def markPre(self, fd): |
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self.did_pre = True |
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def markPost(self, fd): |
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self.did_post = True |
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def markWrite(self, fd): |
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self.did_write = True |
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def testWrite(self): |
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data = "abc"
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utils.WriteFile(self.tfile.name, data=data)
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self.assertEqual(utils.ReadFile(self.tfile.name), data) |
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def testWriteSimpleUnicode(self): |
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data = u"abc"
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utils.WriteFile(self.tfile.name, data=data)
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self.assertEqual(utils.ReadFile(self.tfile.name), data) |
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def testErrors(self): |
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self.assertRaises(errors.ProgrammerError, utils.WriteFile,
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self.tfile.name, data="test", fn=lambda fd: None) |
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self.assertRaises(errors.ProgrammerError, utils.WriteFile, self.tfile.name) |
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self.assertRaises(errors.ProgrammerError, utils.WriteFile,
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self.tfile.name, data="test", atime=0) |
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self.assertRaises(errors.ProgrammerError, utils.WriteFile, self.tfile.name, |
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mode=0400, keep_perms=utils.KP_ALWAYS)
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self.assertRaises(errors.ProgrammerError, utils.WriteFile, self.tfile.name, |
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uid=0, keep_perms=utils.KP_ALWAYS)
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self.assertRaises(errors.ProgrammerError, utils.WriteFile, self.tfile.name, |
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gid=0, keep_perms=utils.KP_ALWAYS)
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self.assertRaises(errors.ProgrammerError, utils.WriteFile, self.tfile.name, |
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mode=0400, uid=0, keep_perms=utils.KP_ALWAYS) |
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def testPreWrite(self): |
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utils.WriteFile(self.tfile.name, data="", prewrite=self.markPre) |
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self.assertTrue(self.did_pre) |
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self.assertFalse(self.did_post) |
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self.assertFalse(self.did_write) |
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def testPostWrite(self): |
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utils.WriteFile(self.tfile.name, data="", postwrite=self.markPost) |
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self.assertFalse(self.did_pre) |
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self.assertTrue(self.did_post) |
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self.assertFalse(self.did_write) |
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def testWriteFunction(self): |
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utils.WriteFile(self.tfile.name, fn=self.markWrite) |
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self.assertFalse(self.did_pre) |
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self.assertFalse(self.did_post) |
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self.assertTrue(self.did_write) |
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def testDryRun(self): |
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orig = "abc"
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self.tfile.write(orig)
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self.tfile.flush()
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utils.WriteFile(self.tfile.name, data="hello", dry_run=True) |
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self.assertEqual(utils.ReadFile(self.tfile.name), orig) |
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def testTimes(self): |
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f = self.tfile.name
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for at, mt in [(0, 0), (1000, 1000), (2000, 3000), |
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(int(time.time()), 5000)]: |
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utils.WriteFile(f, data="hello", atime=at, mtime=mt)
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st = os.stat(f) |
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self.assertEqual(st.st_atime, at)
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self.assertEqual(st.st_mtime, mt)
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def testNoClose(self): |
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data = "hello"
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self.assertEqual(utils.WriteFile(self.tfile.name, data="abc"), None) |
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fd = utils.WriteFile(self.tfile.name, data=data, close=False) |
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try:
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os.lseek(fd, 0, 0) |
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self.assertEqual(os.read(fd, 4096), data) |
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finally:
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os.close(fd) |
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def testNoLeftovers(self): |
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self.tmpdir = tempfile.mkdtemp()
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self.assertEqual(utils.WriteFile(utils.PathJoin(self.tmpdir, "test"), |
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data="abc"),
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None)
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self.assertEqual(os.listdir(self.tmpdir), ["test"]) |
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def testFailRename(self): |
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self.tmpdir = tempfile.mkdtemp()
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target = utils.PathJoin(self.tmpdir, "target") |
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os.mkdir(target) |
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self.assertRaises(OSError, utils.WriteFile, target, data="abc") |
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self.assertTrue(os.path.isdir(target))
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self.assertEqual(os.listdir(self.tmpdir), ["target"]) |
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self.assertFalse(os.listdir(target))
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def testFailRenameDryRun(self): |
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self.tmpdir = tempfile.mkdtemp()
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target = utils.PathJoin(self.tmpdir, "target") |
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os.mkdir(target) |
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self.assertEqual(utils.WriteFile(target, data="abc", dry_run=True), None) |
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self.assertTrue(os.path.isdir(target))
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self.assertEqual(os.listdir(self.tmpdir), ["target"]) |
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self.assertFalse(os.listdir(target))
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def testBackup(self): |
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self.tmpdir = tempfile.mkdtemp()
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testfile = utils.PathJoin(self.tmpdir, "test") |
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self.assertEqual(utils.WriteFile(testfile, data="foo", backup=True), None) |
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self.assertEqual(utils.ReadFile(testfile), "foo") |
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self.assertEqual(os.listdir(self.tmpdir), ["test"]) |
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# Write again
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assert os.path.isfile(testfile)
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self.assertEqual(utils.WriteFile(testfile, data="bar", backup=True), None) |
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self.assertEqual(utils.ReadFile(testfile), "bar") |
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self.assertEqual(len(glob.glob("%s.backup*" % testfile)), 1) |
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self.assertTrue("test" in os.listdir(self.tmpdir)) |
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self.assertEqual(len(os.listdir(self.tmpdir)), 2) |
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# Write again as dry-run
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assert os.path.isfile(testfile)
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self.assertEqual(utils.WriteFile(testfile, data="000", backup=True, |
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dry_run=True),
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None)
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self.assertEqual(utils.ReadFile(testfile), "bar") |
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self.assertEqual(len(glob.glob("%s.backup*" % testfile)), 1) |
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self.assertTrue("test" in os.listdir(self.tmpdir)) |
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self.assertEqual(len(os.listdir(self.tmpdir)), 2) |
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def testFileMode(self): |
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self.tmpdir = tempfile.mkdtemp()
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target = utils.PathJoin(self.tmpdir, "target") |
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self.assertRaises(OSError, utils.WriteFile, target, data="data", |
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keep_perms=utils.KP_ALWAYS) |
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# All masks have only user bits set, to avoid interactions with umask
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utils.WriteFile(target, data="data", mode=0200) |
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self.assertFileMode(target, 0200) |
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utils.WriteFile(target, data="data", mode=0400, |
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keep_perms=utils.KP_IF_EXISTS) |
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self.assertFileMode(target, 0200) |
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utils.WriteFile(target, data="data", keep_perms=utils.KP_ALWAYS)
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self.assertFileMode(target, 0200) |
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utils.WriteFile(target, data="data", mode=0700) |
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self.assertFileMode(target, 0700) |
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def testNewFileMode(self): |
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self.tmpdir = tempfile.mkdtemp()
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target = utils.PathJoin(self.tmpdir, "target") |
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utils.WriteFile(target, data="data", mode=0400, |
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keep_perms=utils.KP_IF_EXISTS) |
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self.assertFileMode(target, 0400) |
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class TestFileID(testutils.GanetiTestCase): |
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def testEquality(self): |
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name = self._CreateTempFile()
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oldi = utils.GetFileID(path=name) |
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self.failUnless(utils.VerifyFileID(oldi, oldi))
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def testUpdate(self): |
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name = self._CreateTempFile()
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oldi = utils.GetFileID(path=name) |
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fd = os.open(name, os.O_RDWR) |
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try:
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newi = utils.GetFileID(fd=fd) |
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self.failUnless(utils.VerifyFileID(oldi, newi))
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self.failUnless(utils.VerifyFileID(newi, oldi))
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finally:
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os.close(fd) |
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def testWriteFile(self): |
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name = self._CreateTempFile()
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oldi = utils.GetFileID(path=name) |
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mtime = oldi[2]
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os.utime(name, (mtime + 10, mtime + 10)) |
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self.assertRaises(errors.LockError, utils.SafeWriteFile, name,
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oldi, data="")
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os.utime(name, (mtime - 10, mtime - 10)) |
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utils.SafeWriteFile(name, oldi, data="")
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oldi = utils.GetFileID(path=name) |
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mtime = oldi[2]
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os.utime(name, (mtime + 10, mtime + 10)) |
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# this doesn't raise, since we passed None
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utils.SafeWriteFile(name, None, data="") |
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|
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def testError(self): |
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t = tempfile.NamedTemporaryFile() |
464 |
self.assertRaises(errors.ProgrammerError, utils.GetFileID,
|
465 |
path=t.name, fd=t.fileno()) |
466 |
|
467 |
|
468 |
class TestRemoveFile(unittest.TestCase): |
469 |
"""Test case for the RemoveFile function"""
|
470 |
|
471 |
def setUp(self): |
472 |
"""Create a temp dir and file for each case"""
|
473 |
self.tmpdir = tempfile.mkdtemp('', 'ganeti-unittest-') |
474 |
fd, self.tmpfile = tempfile.mkstemp('', '', self.tmpdir) |
475 |
os.close(fd) |
476 |
|
477 |
def tearDown(self): |
478 |
if os.path.exists(self.tmpfile): |
479 |
os.unlink(self.tmpfile)
|
480 |
os.rmdir(self.tmpdir)
|
481 |
|
482 |
def testIgnoreDirs(self): |
483 |
"""Test that RemoveFile() ignores directories"""
|
484 |
self.assertEqual(None, utils.RemoveFile(self.tmpdir)) |
485 |
|
486 |
def testIgnoreNotExisting(self): |
487 |
"""Test that RemoveFile() ignores non-existing files"""
|
488 |
utils.RemoveFile(self.tmpfile)
|
489 |
utils.RemoveFile(self.tmpfile)
|
490 |
|
491 |
def testRemoveFile(self): |
492 |
"""Test that RemoveFile does remove a file"""
|
493 |
utils.RemoveFile(self.tmpfile)
|
494 |
if os.path.exists(self.tmpfile): |
495 |
self.fail("File '%s' not removed" % self.tmpfile) |
496 |
|
497 |
def testRemoveSymlink(self): |
498 |
"""Test that RemoveFile does remove symlinks"""
|
499 |
symlink = self.tmpdir + "/symlink" |
500 |
os.symlink("no-such-file", symlink)
|
501 |
utils.RemoveFile(symlink) |
502 |
if os.path.exists(symlink):
|
503 |
self.fail("File '%s' not removed" % symlink) |
504 |
os.symlink(self.tmpfile, symlink)
|
505 |
utils.RemoveFile(symlink) |
506 |
if os.path.exists(symlink):
|
507 |
self.fail("File '%s' not removed" % symlink) |
508 |
|
509 |
|
510 |
class TestRemoveDir(unittest.TestCase): |
511 |
def setUp(self): |
512 |
self.tmpdir = tempfile.mkdtemp()
|
513 |
|
514 |
def tearDown(self): |
515 |
try:
|
516 |
shutil.rmtree(self.tmpdir)
|
517 |
except EnvironmentError: |
518 |
pass
|
519 |
|
520 |
def testEmptyDir(self): |
521 |
utils.RemoveDir(self.tmpdir)
|
522 |
self.assertFalse(os.path.isdir(self.tmpdir)) |
523 |
|
524 |
def testNonEmptyDir(self): |
525 |
self.tmpfile = os.path.join(self.tmpdir, "test1") |
526 |
open(self.tmpfile, "w").close() |
527 |
self.assertRaises(EnvironmentError, utils.RemoveDir, self.tmpdir) |
528 |
|
529 |
|
530 |
class TestRename(unittest.TestCase): |
531 |
"""Test case for RenameFile"""
|
532 |
|
533 |
def setUp(self): |
534 |
"""Create a temporary directory"""
|
535 |
self.tmpdir = tempfile.mkdtemp()
|
536 |
self.tmpfile = os.path.join(self.tmpdir, "test1") |
537 |
|
538 |
# Touch the file
|
539 |
open(self.tmpfile, "w").close() |
540 |
|
541 |
def tearDown(self): |
542 |
"""Remove temporary directory"""
|
543 |
shutil.rmtree(self.tmpdir)
|
544 |
|
545 |
def testSimpleRename1(self): |
546 |
"""Simple rename 1"""
|
547 |
utils.RenameFile(self.tmpfile, os.path.join(self.tmpdir, "xyz")) |
548 |
self.assert_(os.path.isfile(os.path.join(self.tmpdir, "xyz"))) |
549 |
|
550 |
def testSimpleRename2(self): |
551 |
"""Simple rename 2"""
|
552 |
utils.RenameFile(self.tmpfile, os.path.join(self.tmpdir, "xyz"), |
553 |
mkdir=True)
|
554 |
self.assert_(os.path.isfile(os.path.join(self.tmpdir, "xyz"))) |
555 |
|
556 |
def testRenameMkdir(self): |
557 |
"""Rename with mkdir"""
|
558 |
utils.RenameFile(self.tmpfile, os.path.join(self.tmpdir, "test/xyz"), |
559 |
mkdir=True)
|
560 |
self.assert_(os.path.isdir(os.path.join(self.tmpdir, "test"))) |
561 |
self.assert_(os.path.isfile(os.path.join(self.tmpdir, "test/xyz"))) |
562 |
|
563 |
self.assertRaises(EnvironmentError, utils.RenameFile, |
564 |
os.path.join(self.tmpdir, "test/xyz"), |
565 |
os.path.join(self.tmpdir, "test/foo/bar/baz"), |
566 |
mkdir=True)
|
567 |
|
568 |
self.assertTrue(os.path.exists(os.path.join(self.tmpdir, "test/xyz"))) |
569 |
self.assertFalse(os.path.exists(os.path.join(self.tmpdir, "test/foo/bar"))) |
570 |
self.assertFalse(os.path.exists(os.path.join(self.tmpdir, |
571 |
"test/foo/bar/baz")))
|
572 |
|
573 |
|
574 |
class TestMakedirs(unittest.TestCase): |
575 |
def setUp(self): |
576 |
self.tmpdir = tempfile.mkdtemp()
|
577 |
|
578 |
def tearDown(self): |
579 |
shutil.rmtree(self.tmpdir)
|
580 |
|
581 |
def testNonExisting(self): |
582 |
path = utils.PathJoin(self.tmpdir, "foo") |
583 |
utils.Makedirs(path) |
584 |
self.assert_(os.path.isdir(path))
|
585 |
|
586 |
def testExisting(self): |
587 |
path = utils.PathJoin(self.tmpdir, "foo") |
588 |
os.mkdir(path) |
589 |
utils.Makedirs(path) |
590 |
self.assert_(os.path.isdir(path))
|
591 |
|
592 |
def testRecursiveNonExisting(self): |
593 |
path = utils.PathJoin(self.tmpdir, "foo/bar/baz") |
594 |
utils.Makedirs(path) |
595 |
self.assert_(os.path.isdir(path))
|
596 |
|
597 |
def testRecursiveExisting(self): |
598 |
path = utils.PathJoin(self.tmpdir, "B/moo/xyz") |
599 |
self.assertFalse(os.path.exists(path))
|
600 |
os.mkdir(utils.PathJoin(self.tmpdir, "B")) |
601 |
utils.Makedirs(path) |
602 |
self.assert_(os.path.isdir(path))
|
603 |
|
604 |
|
605 |
class TestEnsureDirs(unittest.TestCase): |
606 |
"""Tests for EnsureDirs"""
|
607 |
|
608 |
def setUp(self): |
609 |
self.dir = tempfile.mkdtemp()
|
610 |
self.old_umask = os.umask(0777) |
611 |
|
612 |
def testEnsureDirs(self): |
613 |
utils.EnsureDirs([ |
614 |
(utils.PathJoin(self.dir, "foo"), 0777), |
615 |
(utils.PathJoin(self.dir, "bar"), 0000), |
616 |
]) |
617 |
self.assertEquals(os.stat(utils.PathJoin(self.dir, "foo"))[0] & 0777, 0777) |
618 |
self.assertEquals(os.stat(utils.PathJoin(self.dir, "bar"))[0] & 0777, 0000) |
619 |
|
620 |
def tearDown(self): |
621 |
os.rmdir(utils.PathJoin(self.dir, "foo")) |
622 |
os.rmdir(utils.PathJoin(self.dir, "bar")) |
623 |
os.rmdir(self.dir)
|
624 |
os.umask(self.old_umask)
|
625 |
|
626 |
|
627 |
class TestIsNormAbsPath(unittest.TestCase): |
628 |
"""Testing case for IsNormAbsPath"""
|
629 |
|
630 |
def _pathTestHelper(self, path, result): |
631 |
if result:
|
632 |
self.assert_(utils.IsNormAbsPath(path),
|
633 |
"Path %s should result absolute and normalized" % path)
|
634 |
else:
|
635 |
self.assertFalse(utils.IsNormAbsPath(path),
|
636 |
"Path %s should not result absolute and normalized" % path)
|
637 |
|
638 |
def testBase(self): |
639 |
self._pathTestHelper("/etc", True) |
640 |
self._pathTestHelper("/srv", True) |
641 |
self._pathTestHelper("etc", False) |
642 |
self._pathTestHelper("/etc/../root", False) |
643 |
self._pathTestHelper("/etc/", False) |
644 |
|
645 |
|
646 |
class TestIsBelowDir(unittest.TestCase): |
647 |
"""Testing case for IsBelowDir"""
|
648 |
|
649 |
def testExactlyTheSame(self): |
650 |
self.assertFalse(utils.IsBelowDir("/a/b", "/a/b")) |
651 |
self.assertFalse(utils.IsBelowDir("/a/b", "/a/b/")) |
652 |
self.assertFalse(utils.IsBelowDir("/a/b/", "/a/b")) |
653 |
self.assertFalse(utils.IsBelowDir("/a/b/", "/a/b/")) |
654 |
|
655 |
def testSamePrefix(self): |
656 |
self.assertTrue(utils.IsBelowDir("/a/b", "/a/b/c")) |
657 |
self.assertTrue(utils.IsBelowDir("/a/b/", "/a/b/e")) |
658 |
|
659 |
def testSamePrefixButDifferentDir(self): |
660 |
self.assertFalse(utils.IsBelowDir("/a/b", "/a/bc/d")) |
661 |
self.assertFalse(utils.IsBelowDir("/a/b/", "/a/bc/e")) |
662 |
|
663 |
def testSamePrefixButDirTraversal(self): |
664 |
self.assertFalse(utils.IsBelowDir("/a/b", "/a/b/../c")) |
665 |
self.assertFalse(utils.IsBelowDir("/a/b/", "/a/b/../d")) |
666 |
|
667 |
def testSamePrefixAndTraversal(self): |
668 |
self.assertTrue(utils.IsBelowDir("/a/b", "/a/b/c/../d")) |
669 |
self.assertTrue(utils.IsBelowDir("/a/b", "/a/b/c/./e")) |
670 |
self.assertTrue(utils.IsBelowDir("/a/b", "/a/b/../b/./e")) |
671 |
|
672 |
def testBothAbsPath(self): |
673 |
self.assertRaises(ValueError, utils.IsBelowDir, "/a/b/c", "d") |
674 |
self.assertRaises(ValueError, utils.IsBelowDir, "a/b/c", "/d") |
675 |
self.assertRaises(ValueError, utils.IsBelowDir, "a/b/c", "d") |
676 |
|
677 |
|
678 |
class TestPathJoin(unittest.TestCase): |
679 |
"""Testing case for PathJoin"""
|
680 |
|
681 |
def testBasicItems(self): |
682 |
mlist = ["/a", "b", "c"] |
683 |
self.failUnlessEqual(utils.PathJoin(*mlist), "/".join(mlist)) |
684 |
|
685 |
def testNonAbsPrefix(self): |
686 |
self.failUnlessRaises(ValueError, utils.PathJoin, "a", "b") |
687 |
|
688 |
def testBackTrack(self): |
689 |
self.failUnlessRaises(ValueError, utils.PathJoin, "/a", "b/../c") |
690 |
|
691 |
def testMultiAbs(self): |
692 |
self.failUnlessRaises(ValueError, utils.PathJoin, "/a", "/b") |
693 |
|
694 |
|
695 |
class TestTailFile(testutils.GanetiTestCase): |
696 |
"""Test case for the TailFile function"""
|
697 |
|
698 |
def testEmpty(self): |
699 |
fname = self._CreateTempFile()
|
700 |
self.failUnlessEqual(utils.TailFile(fname), [])
|
701 |
self.failUnlessEqual(utils.TailFile(fname, lines=25), []) |
702 |
|
703 |
def testAllLines(self): |
704 |
data = ["test %d" % i for i in range(30)] |
705 |
for i in range(30): |
706 |
fname = self._CreateTempFile()
|
707 |
fd = open(fname, "w") |
708 |
fd.write("\n".join(data[:i]))
|
709 |
if i > 0: |
710 |
fd.write("\n")
|
711 |
fd.close() |
712 |
self.failUnlessEqual(utils.TailFile(fname, lines=i), data[:i])
|
713 |
|
714 |
def testPartialLines(self): |
715 |
data = ["test %d" % i for i in range(30)] |
716 |
fname = self._CreateTempFile()
|
717 |
fd = open(fname, "w") |
718 |
fd.write("\n".join(data))
|
719 |
fd.write("\n")
|
720 |
fd.close() |
721 |
for i in range(1, 30): |
722 |
self.failUnlessEqual(utils.TailFile(fname, lines=i), data[-i:])
|
723 |
|
724 |
def testBigFile(self): |
725 |
data = ["test %d" % i for i in range(30)] |
726 |
fname = self._CreateTempFile()
|
727 |
fd = open(fname, "w") |
728 |
fd.write("X" * 1048576) |
729 |
fd.write("\n")
|
730 |
fd.write("\n".join(data))
|
731 |
fd.write("\n")
|
732 |
fd.close() |
733 |
for i in range(1, 30): |
734 |
self.failUnlessEqual(utils.TailFile(fname, lines=i), data[-i:])
|
735 |
|
736 |
|
737 |
class TestPidFileFunctions(unittest.TestCase): |
738 |
"""Tests for WritePidFile and ReadPidFile"""
|
739 |
|
740 |
def setUp(self): |
741 |
self.dir = tempfile.mkdtemp()
|
742 |
self.f_dpn = lambda name: os.path.join(self.dir, "%s.pid" % name) |
743 |
|
744 |
def testPidFileFunctions(self): |
745 |
pid_file = self.f_dpn('test') |
746 |
fd = utils.WritePidFile(self.f_dpn('test')) |
747 |
self.failUnless(os.path.exists(pid_file),
|
748 |
"PID file should have been created")
|
749 |
read_pid = utils.ReadPidFile(pid_file) |
750 |
self.failUnlessEqual(read_pid, os.getpid())
|
751 |
self.failUnless(utils.IsProcessAlive(read_pid))
|
752 |
self.failUnlessRaises(errors.PidFileLockError, utils.WritePidFile,
|
753 |
self.f_dpn('test')) |
754 |
os.close(fd) |
755 |
utils.RemoveFile(self.f_dpn("test")) |
756 |
self.failIf(os.path.exists(pid_file),
|
757 |
"PID file should not exist anymore")
|
758 |
self.failUnlessEqual(utils.ReadPidFile(pid_file), 0, |
759 |
"ReadPidFile should return 0 for missing pid file")
|
760 |
fh = open(pid_file, "w") |
761 |
fh.write("blah\n")
|
762 |
fh.close() |
763 |
self.failUnlessEqual(utils.ReadPidFile(pid_file), 0, |
764 |
"ReadPidFile should return 0 for invalid pid file")
|
765 |
# but now, even with the file existing, we should be able to lock it
|
766 |
fd = utils.WritePidFile(self.f_dpn('test')) |
767 |
os.close(fd) |
768 |
utils.RemoveFile(self.f_dpn("test")) |
769 |
self.failIf(os.path.exists(pid_file),
|
770 |
"PID file should not exist anymore")
|
771 |
|
772 |
def testKill(self): |
773 |
pid_file = self.f_dpn('child') |
774 |
r_fd, w_fd = os.pipe() |
775 |
new_pid = os.fork() |
776 |
if new_pid == 0: #child |
777 |
utils.WritePidFile(self.f_dpn('child')) |
778 |
os.write(w_fd, 'a')
|
779 |
signal.pause() |
780 |
os._exit(0)
|
781 |
return
|
782 |
# else we are in the parent
|
783 |
# wait until the child has written the pid file
|
784 |
os.read(r_fd, 1)
|
785 |
read_pid = utils.ReadPidFile(pid_file) |
786 |
self.failUnlessEqual(read_pid, new_pid)
|
787 |
self.failUnless(utils.IsProcessAlive(new_pid))
|
788 |
|
789 |
# Try writing to locked file
|
790 |
try:
|
791 |
utils.WritePidFile(pid_file) |
792 |
except errors.PidFileLockError, err:
|
793 |
errmsg = str(err)
|
794 |
self.assertTrue(errmsg.endswith(" %s" % new_pid), |
795 |
msg=("Error message ('%s') didn't contain correct"
|
796 |
" PID (%s)" % (errmsg, new_pid)))
|
797 |
else:
|
798 |
self.fail("Writing to locked file didn't fail") |
799 |
|
800 |
utils.KillProcess(new_pid, waitpid=True)
|
801 |
self.failIf(utils.IsProcessAlive(new_pid))
|
802 |
utils.RemoveFile(self.f_dpn('child')) |
803 |
self.failUnlessRaises(errors.ProgrammerError, utils.KillProcess, 0) |
804 |
|
805 |
def testExceptionType(self): |
806 |
# Make sure the PID lock error is a subclass of LockError in case some code
|
807 |
# depends on it
|
808 |
self.assertTrue(issubclass(errors.PidFileLockError, errors.LockError)) |
809 |
|
810 |
def tearDown(self): |
811 |
shutil.rmtree(self.dir)
|
812 |
|
813 |
|
814 |
class TestSshKeys(testutils.GanetiTestCase): |
815 |
"""Test case for the AddAuthorizedKey function"""
|
816 |
|
817 |
KEY_A = 'ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a'
|
818 |
KEY_B = ('command="/usr/bin/fooserver -t --verbose",from="198.51.100.4" '
|
819 |
'ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b')
|
820 |
|
821 |
def setUp(self): |
822 |
testutils.GanetiTestCase.setUp(self)
|
823 |
self.tmpname = self._CreateTempFile() |
824 |
handle = open(self.tmpname, 'w') |
825 |
try:
|
826 |
handle.write("%s\n" % TestSshKeys.KEY_A)
|
827 |
handle.write("%s\n" % TestSshKeys.KEY_B)
|
828 |
finally:
|
829 |
handle.close() |
830 |
|
831 |
def testAddingNewKey(self): |
832 |
utils.AddAuthorizedKey(self.tmpname,
|
833 |
'ssh-dss AAAAB3NzaC1kc3MAAACB root@test')
|
834 |
|
835 |
self.assertFileContent(self.tmpname, |
836 |
"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
|
837 |
'command="/usr/bin/fooserver -t --verbose",from="198.51.100.4"'
|
838 |
" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n"
|
839 |
"ssh-dss AAAAB3NzaC1kc3MAAACB root@test\n")
|
840 |
|
841 |
def testAddingAlmostButNotCompletelyTheSameKey(self): |
842 |
utils.AddAuthorizedKey(self.tmpname,
|
843 |
'ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@test')
|
844 |
|
845 |
# Only significant fields are compared, therefore the key won't be
|
846 |
# updated/added
|
847 |
self.assertFileContent(self.tmpname, |
848 |
"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
|
849 |
'command="/usr/bin/fooserver -t --verbose",from="198.51.100.4"'
|
850 |
" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n")
|
851 |
|
852 |
def testAddingExistingKeyWithSomeMoreSpaces(self): |
853 |
utils.AddAuthorizedKey(self.tmpname,
|
854 |
"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a")
|
855 |
utils.AddAuthorizedKey(self.tmpname,
|
856 |
"ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22")
|
857 |
|
858 |
self.assertFileContent(self.tmpname, |
859 |
"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
|
860 |
'command="/usr/bin/fooserver -t --verbose",from="198.51.100.4"'
|
861 |
" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n"
|
862 |
"ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22\n")
|
863 |
|
864 |
def testRemovingExistingKeyWithSomeMoreSpaces(self): |
865 |
utils.RemoveAuthorizedKey(self.tmpname,
|
866 |
'ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a')
|
867 |
|
868 |
self.assertFileContent(self.tmpname, |
869 |
'command="/usr/bin/fooserver -t --verbose",from="198.51.100.4"'
|
870 |
" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n")
|
871 |
|
872 |
def testRemovingNonExistingKey(self): |
873 |
utils.RemoveAuthorizedKey(self.tmpname,
|
874 |
'ssh-dss AAAAB3Nsdfj230xxjxJjsjwjsjdjU root@test')
|
875 |
|
876 |
self.assertFileContent(self.tmpname, |
877 |
"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
|
878 |
'command="/usr/bin/fooserver -t --verbose",from="198.51.100.4"'
|
879 |
" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n")
|
880 |
|
881 |
|
882 |
class TestNewUUID(unittest.TestCase): |
883 |
"""Test case for NewUUID"""
|
884 |
|
885 |
def runTest(self): |
886 |
self.failUnless(utils.UUID_RE.match(utils.NewUUID()))
|
887 |
|
888 |
|
889 |
def _MockStatResult(cb, mode, uid, gid): |
890 |
def _fn(path): |
891 |
if cb:
|
892 |
cb() |
893 |
return {
|
894 |
stat.ST_MODE: mode, |
895 |
stat.ST_UID: uid, |
896 |
stat.ST_GID: gid, |
897 |
} |
898 |
return _fn
|
899 |
|
900 |
|
901 |
def _RaiseNoEntError(): |
902 |
raise EnvironmentError(errno.ENOENT, "not found") |
903 |
|
904 |
|
905 |
def _OtherStatRaise(): |
906 |
raise EnvironmentError() |
907 |
|
908 |
|
909 |
class TestPermissionEnforcements(unittest.TestCase): |
910 |
UID_A = 16024
|
911 |
UID_B = 25850
|
912 |
GID_A = 14028
|
913 |
GID_B = 29801
|
914 |
|
915 |
def setUp(self): |
916 |
self._chown_calls = []
|
917 |
self._chmod_calls = []
|
918 |
self._mkdir_calls = []
|
919 |
|
920 |
def tearDown(self): |
921 |
self.assertRaises(IndexError, self._mkdir_calls.pop) |
922 |
self.assertRaises(IndexError, self._chmod_calls.pop) |
923 |
self.assertRaises(IndexError, self._chown_calls.pop) |
924 |
|
925 |
def _FakeMkdir(self, path): |
926 |
self._mkdir_calls.append(path)
|
927 |
|
928 |
def _FakeChown(self, path, uid, gid): |
929 |
self._chown_calls.append((path, uid, gid))
|
930 |
|
931 |
def _ChmodWrapper(self, cb): |
932 |
def _fn(path, mode): |
933 |
self._chmod_calls.append((path, mode))
|
934 |
if cb:
|
935 |
cb() |
936 |
return _fn
|
937 |
|
938 |
def _VerifyPerm(self, path, mode, uid=-1, gid=-1): |
939 |
self.assertEqual(path, "/ganeti-qa-non-test") |
940 |
self.assertEqual(mode, 0700) |
941 |
self.assertEqual(uid, self.UID_A) |
942 |
self.assertEqual(gid, self.GID_A) |
943 |
|
944 |
def testMakeDirWithPerm(self): |
945 |
is_dir_stat = _MockStatResult(None, stat.S_IFDIR, 0, 0) |
946 |
utils.MakeDirWithPerm("/ganeti-qa-non-test", 0700, self.UID_A, self.GID_A, |
947 |
_lstat_fn=is_dir_stat, _perm_fn=self._VerifyPerm)
|
948 |
|
949 |
def testDirErrors(self): |
950 |
self.assertRaises(errors.GenericError, utils.MakeDirWithPerm,
|
951 |
"/ganeti-qa-non-test", 0700, 0, 0, |
952 |
_lstat_fn=_MockStatResult(None, 0, 0, 0)) |
953 |
self.assertRaises(IndexError, self._mkdir_calls.pop) |
954 |
|
955 |
other_stat_raise = _MockStatResult(_OtherStatRaise, stat.S_IFDIR, 0, 0) |
956 |
self.assertRaises(errors.GenericError, utils.MakeDirWithPerm,
|
957 |
"/ganeti-qa-non-test", 0700, 0, 0, |
958 |
_lstat_fn=other_stat_raise) |
959 |
self.assertRaises(IndexError, self._mkdir_calls.pop) |
960 |
|
961 |
non_exist_stat = _MockStatResult(_RaiseNoEntError, stat.S_IFDIR, 0, 0) |
962 |
utils.MakeDirWithPerm("/ganeti-qa-non-test", 0700, self.UID_A, self.GID_A, |
963 |
_lstat_fn=non_exist_stat, _mkdir_fn=self._FakeMkdir,
|
964 |
_perm_fn=self._VerifyPerm)
|
965 |
self.assertEqual(self._mkdir_calls.pop(0), "/ganeti-qa-non-test") |
966 |
|
967 |
def testEnforcePermissionNoEnt(self): |
968 |
self.assertRaises(errors.GenericError, utils.EnforcePermission,
|
969 |
"/ganeti-qa-non-test", 0600, |
970 |
_chmod_fn=NotImplemented, _chown_fn=NotImplemented, |
971 |
_stat_fn=_MockStatResult(_RaiseNoEntError, 0, 0, 0)) |
972 |
|
973 |
def testEnforcePermissionNoEntMustNotExist(self): |
974 |
utils.EnforcePermission("/ganeti-qa-non-test", 0600, must_exist=False, |
975 |
_chmod_fn=NotImplemented,
|
976 |
_chown_fn=NotImplemented,
|
977 |
_stat_fn=_MockStatResult(_RaiseNoEntError, |
978 |
0, 0, 0)) |
979 |
|
980 |
def testEnforcePermissionOtherErrorMustNotExist(self): |
981 |
self.assertRaises(errors.GenericError, utils.EnforcePermission,
|
982 |
"/ganeti-qa-non-test", 0600, must_exist=False, |
983 |
_chmod_fn=NotImplemented, _chown_fn=NotImplemented, |
984 |
_stat_fn=_MockStatResult(_OtherStatRaise, 0, 0, 0)) |
985 |
|
986 |
def testEnforcePermissionNoChanges(self): |
987 |
utils.EnforcePermission("/ganeti-qa-non-test", 0600, |
988 |
_stat_fn=_MockStatResult(None, 0600, 0, 0), |
989 |
_chmod_fn=self._ChmodWrapper(None), |
990 |
_chown_fn=self._FakeChown)
|
991 |
|
992 |
def testEnforcePermissionChangeMode(self): |
993 |
utils.EnforcePermission("/ganeti-qa-non-test", 0444, |
994 |
_stat_fn=_MockStatResult(None, 0600, 0, 0), |
995 |
_chmod_fn=self._ChmodWrapper(None), |
996 |
_chown_fn=self._FakeChown)
|
997 |
self.assertEqual(self._chmod_calls.pop(0), ("/ganeti-qa-non-test", 0444)) |
998 |
|
999 |
def testEnforcePermissionSetUidGid(self): |
1000 |
utils.EnforcePermission("/ganeti-qa-non-test", 0600, |
1001 |
uid=self.UID_B, gid=self.GID_B, |
1002 |
_stat_fn=_MockStatResult(None, 0600, |
1003 |
self.UID_A,
|
1004 |
self.GID_A),
|
1005 |
_chmod_fn=self._ChmodWrapper(None), |
1006 |
_chown_fn=self._FakeChown)
|
1007 |
self.assertEqual(self._chown_calls.pop(0), |
1008 |
("/ganeti-qa-non-test", self.UID_B, self.GID_B)) |
1009 |
|
1010 |
|
1011 |
if __name__ == "__main__": |
1012 |
testutils.GanetiTestProgram() |